<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" label-width="0" class="login_form">
                <el-form-item prop="username">
                  <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                  <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password" show-password></el-input>
                </el-form-item>
                <el-form-item class="btns">
                  <el-button type="primary" @click="login">登录</el-button>
                  <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>


<script>
export default {
    data() {
        return {
            loginForm:{
                username: 'admin',
                password: '123456'
            },
            loginRules:{
                username: [
                    { required: true, message: '请输入账号', trigger: 'blur' },
                    { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 12, message: '长度在 6 到 12 个字符', trigger: 'blur' }
                ]
            }
        }
    },
    methods: {
        resetLoginForm() {
            this.$refs.loginFormRef.resetFields();
        },
        login() {
            this.$refs.loginFormRef.validate(async valid => {
                if (!valid) return;
                const {data : res} = await this.$http.post('login',this.loginForm);
                if(res.meta.status !== 200) return this.$message.error("登录失败");
                this.$message.success("登录成功")
                window.sessionStorage.setItem("token",res.data.token);
                this.$router.push("/home")
            })
        }
    }
}
</script>

<style lang="less" scoped>
    .login_container {
        background-color: #2b4b6b;
        height: 100%;
    }
    .login_box {
        width: 450px;
        height: 300px;
        background-color: #fff;
        border-radius: 3px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform:translate(-50%,-50%);
        

        .avatar_box {
            height: 130px;
            width: 130px;
            border: 1px solid #eee;
            border-radius: 50%;
            padding: 10px;
            box-shadow: 0 0 10px #ddd;
            position: absolute;
            left: 50%;
            transform: translate(-50%,-50%);
            background-color: #eee;
            img {
                width: 100%;
                height: 100%;
                border-radius: 50%;
                background-color: #eee;
            }
        }
    }
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;

}
.btns {
    display: flex;
    justify-content: flex-end;
}
</style>